A century after Albert Einstein sketched out his radical picture of gravity, astronomers have now watched a black hole ...

Some discoveries arrive quietly, without fireworks or clean endings. Astronomers were watching a distant flare from a galaxy ...

Legendary physicist Albert Einstein was a thinker ahead of his time. Born March 14, 1879, Einstein entered a world where the dwarf planet Pluto had yet to be discovered, and the idea of spaceflight ...

The cosmos is a unique laboratory for testing the laws of physics, in particular those of Euler and Einstein. Euler described the movements of celestial objects, while Einstein described the way in ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

Letters from renowned physicist Albert Einstein have become hot properties for auction houses recently. The latest batch, being auctioned off by Christie's, gives further insight into Einstein's ...

Research teams on both sides of the Atlantic have shown that precise modeling of the universe and its contents will change the detailed understanding of the evolution of the universe and the growth of ...

Everything in the universe has gravity – and feels it too. Yet this most common of all fundamental forces is also the one that presents the biggest challenges to physicists. Albert Einstein’s theory ...

What is the universe made of? This question has driven astronomers for hundreds of years. For the past quarter of a century, scientists have believed “normal” stuff like atoms and molecules that make ...

Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to ...

Astronomers have made the first direct observation of a spinning black hole twisting the very fabric of spacetime, a ...